HELLO FRIENDS!!!! If I prefer to buy Central Driveshafts and Outer Driveshafts for more

HELLO FRIENDS!!!

If I prefer to buy Central Driveshafts and Outer Driveshafts for more durability.

Could you give me which are the standard measures of this two things for search in shop.

Regards

only this IS OK NO MORE??? obligatory THIS 118MM???
http://www.conrad.com/ce/en/product/231121/

And Central Driveshafts which measure have???
THANKS

for me this one is working:
Central Driveshafts - Conrad Reely Spare part 1:10 Drive shaft 85.5 mm (CB356) - Item no.: 223477 - 62